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P.A.Hilton Ltd
Visual Refrigeration Training Unit
801
Shows Clearly the Basic Principles of the Vapour Compression
Refrigeration Cycle
Introduces the Concepts of Change of State, Saturated Liquid,
Saturated Vapour and Superheated Vapour
Optional Student Tool Kit, Test and Service Equipment and
Maintenance and Student Practice Package.
Instruction Manual Contains Course Notes, Instruction
Notes and Student Example Worksheets
Demonstrates Common Faults and Effects on the System
Two year Warranty.
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P.A.Hilton Ltd
IntroductionStudents who are new to refrigeration may find some important concepts difficult to understand, for
example,
Latent heat
Pressure/temperature relationship A liquid can boil at sub-zero temperatures
Saturation temperature
Superheat
Sub-cooling
With its transparent evaporator, the Model 801 is designed to promote a clear understanding of these
concepts, and to support the teaching of:
The basic principles of heat transfer
The Vapour compression refrigeration cycle
Function and application of different flow controls
Description
Model 801 is one of a range of trainers designed to provide practical training in the fields of
Refrigeration and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
The unit is mounted on a steel frame with stainless steel panels and comprises an open type compressor
with air cooled condenser and clear plastic evaporator.
A variety of different flow controls can be selected and the operation with each type of control studied,including liquid return to the compressor.
All the flow controls and the high and low pressure switches are adjustable by the student to enable
basic studies in the control of vapour compression refrigeration.
A standard Student Tool Kit, Test and Service Equipment Package and Maintenance and Student
Practice Package are available as optional items.
Further details available on request.
Student Tool Kit Test & Service Equipment
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Page 3 of 3
P.A.Hilton Ltd
SpecificationDETAILED
The unit is mounted on a steel framework with
stainless steel base and back panels.
Air-cooled condensing unit with open type twin
cylinder reciprocating compressor.
Transparent plastic evaporator, clearly showing
change of state of refrigerant from liquid to vapour
phase
Refrigerant flow control options, selected by use
of hand wheel valves as follows:
1. Automatic Expansion Valve
2. Thermostatic Expansion Valve, Internally
equalised.
3. Capillary with Separate Filter Drier
Liquid/suction heat exchangerLiquid line filter drier and sight glass
HP/LP switches
Compound and pressure gauges
Suction and discharge service valves fitted
Liquid line hand wheel valve fitted for easy
manual pump down of system
Refrigerant R134a
An electrical control box is mounted on the back
panel and includes indicators/warning lamp, on/off
contactor and overload, as well as residual current
device for protection against earth leakage.
Operating Manual
A comprehensive operating manual includes:
Notes on theory and principles
Instructors guide notes
Student test papers and sample answers
Electrical wiring diagram.
DimensionsHeight 163 cm Depth 64 cm
Width 134 cm Weight 89 kg
Services RequiredElectrical
Either: A: 2.5Amp.220-240 Volts, Single
Phase, 50Hz (With earth/ground).
OR
B: 5Amp.110-120 Volts, Single Phase, 60Hz
(With earth/ground).
Optional Equipment Student Tool Kit
Test And Service Equipment
Maintenance And Student Package
Ordering InformationOrder as: Visual Refrigeration Training Unit 801
Electrical SpecificationEither: A: 220-240 Volts, Single Phase 50Hz(With earth/ground).
OR
B: 110-120 Volts, Single Phase 60Hz
(With earth/ground).
LanguageEither: English, Spanish or French
Shipping Specification (Approx.)Net Weight: 89 kg
Gross Weight: 138 kg.
Packing Case Dimensions: 143 x 72 x 126 cm
Packing Case Volume: 1.297m3
Also Available on Request Further detailed specification
Additional copies of instruction manual
Recommended list of spares for 5 years
operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,
Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129
International +44 1794 388129
E-mail: [email protected]
Website: www.p-a-hilton.co.uk
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P.A.Hilton Ltd
Commercial Refrigeration Training Unit
802
Constructed from the Components actually required to
install a 2.50 Cubic meter (75 Cubic Feet ) Chill room
Shows how the Basic Principles of the Vapour Compression
Cycle are applied in Practical Refrigeration
Optional Student Tool Kit, Test and Service Equipment and
Maintenance and Student Practice Package
Complete with Comprehensive Installation, Operation andMaintenance Manual
Demonstrates Common Faults and Effects on the System
Two year Warranty.
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P.A.Hilton Ltd
IntroductionThe 802 unit is constructed from components that are required to install a 2.54 cubic metre (75 cubic
feet) chill room operating at. -1/+2C (30/25F.)
This unit quickly enables the student engineer to learn how the basic principles of the Vapour-
Compression Cycle, are applied in practical refrigeration, andprovides
valuable Hands-On experience in:
Fault diagnosis and correction
Refrigerant recovery and recycling
Changing components
Evacuation and Charging
Electrical work
All exercises with the 802 relate directly to installations that students will encounter later in their work
as a service and installation engineers.
Description
Model 802 is one of a range of trainers designed to provide practical training in the fields of
Refrigeration and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
The unit is mounted on a steel frame with stainless steel panels and comprises an hermetic type
compressor, air cooled condenser and a forced air evaporator inside an insulated cabinet.
The layout of the system components is exactly the same as fitted to a full size chill room and the unit
is designed as an introduction to real refrigeration systems. The training objectivesof the 802 linkdirectly to the Basic Installation Training Package 803 for a comprehensive range of practical skills
training.
A comparison between the student built 803 and 802 clearly establishes whether installation skill and
competences are sufficiently developed or if furthertraining and practice are required.
A standard Student Tool Kit, Test and Service Equipment Package and Maintenance and Student
Practice Package are available as optional items.
Further details available on request
Student Tool Kit Test & Service Equipment 802 Maintenance & Student
Practice Package
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P.A.Hilton Ltd
SpecificationDETAILED
The unit is mounted on a steel frame and with a
stainless steel base and back panel.
The unit comprises:
Air cooled condensing unit with high back pressure,high starting torque hermetic compressor
Complete with:
Suction and Discharge Service Valves
Gauge Manifold Connections
Built in Motor Protector
Forced air, blow through type evaporator, with
15-watt fan motor. Powder coated galvanised
sheet steel casing with removable front panel.
Evaporator coil constructed from internally
grooved copper tube, and fitted with aluminium
fins at 5 FPI.
Detachable Insulated hood with variable heat
load: 60, 100, 120, 160 or 200 watts.
Dial Thermometer.
Internally equalisedThermostatic Expansion Valve.
Liquid Line Filter Drier.
Heat Exchanger.
High Pressure Switch,
Low Pressure Switch.
High Pressure gauge.
Compound gauge.
An electrical control box is mounted on the back
panel and includes indicators/warning lamps on/offand heat load contactors and overloads as well as
residual current device for protection against earth
leakage.
Operating ManualA comprehensive operating manual includes:
Notes on theory and principles
Instructors guide notes
Students test papers and sample answers
Electrical wiring diagram
DimensionsHeight: 165 cm Depth: 64 cm
Width: 134 cm
Weight: 101 kg
Services RequiredElectrical either:
A: 13 Amp 220-240 Volts, Single Phase, 50Hz
(With earth/ground).
OR
B: 26Amp 110-120 Volts, Single Phase,
60Hz (With earth/ground).
Optional Equipment Student Tool Kit
Test and Service Equipment
Maintenance and Student Practice Package
Ordering InformationOrder as: Commercial Refrigeration Training Unit 802
Electrical SpecificationEither: A: 220-240 Volts, Single Phase
50Hz (With earth/ground).
B: 110-120 Volts, Single Phase,
60Hz (With earth/ground).
LanguageEither: English, Spanish or French.
Shipping SpecificationsNet Weight: 101 kg.
Approximate Gross Weight: 151 kg.
Packing Case Dimensions: 143 x 72 x 126 cm
Packing Case Volume: 1.297m3
Also Available on Request Further detailed specification
Additional copies of instruction manual Recommended list of spares for 5 years operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,
Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129
International +44 1794 388129
E-mail: [email protected]: www.p-a-hilton.co.uk
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P.A. Hilton Ltd
Hermetic Refrigeration System
Training Unit804
Designed for the Training of Domestic Refrigeration and
Air Conditioning Service Engineers
Promotes clear understanding of hermetic systems using
a capillary tube as flow control
Built in System Faults
Optional Student Tool Kit, Test and Service Equipment
and Maintenance and Student Practice Package.
Instruction Manual Contains Course Notes, Instruction
Notes and Student Example Worksheets.
Two year Warranty
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Page 2 of 3
IntroductionHermetic refrigeration systems using a capillary tube as the flow control are very extensively used in
domestic and small commercial refrigeration appliances such as:
FreezersAir Conditioners
Water Chillers etc.
Effective, economically acceptable and lasting repairs are only possible when the Service Engineer has
a thorough understanding of the Hermetic System.
The comprehensive 804 Hermetic Refrigeration System Training Unit manual supplied, leads the
student from a fundamentals understanding to a full understanding of the hermetic system.
Description
The 804 is one of a range of trainers designed to provide practical training in the fields of Refrigeration
and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
The unit is mounted on a steel frame with stainless steel panels and comprises an hermetic type
compressor with air cooled condenser and evaporator with capillary tube flow control.
Using the push button switches, five system faults can be introduced into the system:
i. Excess discharge pressure
ii. Faulty compressor valve
iii. Choked capillary
iv. Overcharged system
v.
Undercharged system
A standard Student Tool Kit, Test and Service Equipment Package and Maintenance and Student
Practice Package are available as optional items.
Further details available on request.
Student Tool Kit Test & Service Equipment 804 Maintenance & Student
Practice Package
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Page 1 of 3Edition 2
P.A. Hilton Ltd
Advanced Training Unit
805
Fully Operational small scale coldroom
Multiple circuit, incorporating secondary controls
Push button selection of built in faults
Push button selection of Refrigeration circuit
Optional Student Tool Kit, Test and Service Equipment and
Maintenance and Student Practice Package
Two year Warranty.
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Page 2 of 3Edition 2
P.A. Hilton Ltd
IntroductionThe Advanced Training Unit 805 is a fully operational, small scale coldroom, which enables the student
to relateall test results, system faults and adjustments directly to situations encountered in service and
maintenance.
It is a multiple circuit unit, incorporating important secondary controls, is constructed entirely from
standard commercial components and will give the student invaluable experience in fault diagnosis,
system adjustment and replacement of faulty components.
Components include:
Electric Defrost System
Evaporator Pressure Regulation
Crankcase Protection
Capacity Regulation
Variable Coldroom Heat Load
The push-button Switches Enable:
1.
Selection of simple or more complex refrigeration circuit.
2.
Comparison of controls.
3.
A clear demonstration of the correct use of internal and externally equalisedthermostatic expansion valves.
4.
Selection of built in faults.
Description
Model 805 is one of a range of trainers designed to provide practical training in the fields of
Refrigeration and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
The unit is mounted on a steel frame with stainless steel panels and comprises a semi hermetic type
compressor with air cooled condenser and forced air evaporator with electric defrost inside an insulatedcabinet with hinged lid.
A variety of different controls can be selected and the operation with each type of control studied.
All the controls and the high and low pressure switches are adjustable by the student to enable
advanced studies in the control of vapour compression refrigeration equipment.
A standard Student Tool Kit, Test and Service Equipment Package and Maintenance and Student
Practice Package are available as optional items.
Further details available on request.
Student Tool Kit Test & Service Equipment 805 Maintenance & Student
Practice Package
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Page 3 of 3Edition 2
P.A. Hilton Ltd
SpecificationDETAILEDThe unit is mounted on a steel framework, with
stainless steel base and back panels and
incorporates:-Semi-hermetic condensing unit, with fan
cooled condenser and receiver.
Forced-air evaporator, with electric defrost,
mounted in insulated box with hinged lid.
Heat load variable 75 to 600 watts.
Pressure gauge.
2 Compound gauges.
High-pressure control and low pressure
control
Thermostat.
Oil separator.
Heat exchanger
2 Liquid line driers
3 Thermostatic expansion valves.Evaporator pressure regulator.
Crankcase pressure regulator.
Capacity Regulator.
7 Solenoid valves.
3 Handwheel valves.
Refrigerant R134a.
6 Sight glasses
ElectricalON/OFF switch with indicator light.
7 Push button switches to control refrigerant
flow path and to select in-built faults.
Separate push-button to switch:
Condenser Fan Motor
Evaporator fan motor
Coldroom heat load
Overload protector
Contactor
Earth leakage protector
De-frost timer
Operating ManualA comprehensive operating manual includes:
Notes on theory and principles
Instructors guide notes
Student test papers and sample
answers
Electrical wiring diagram.
DimensionsHeight: 163 cm Depth: 64 cm
Width: 134 cm Weight: 164kg
Services RequiredElectrical
Either: A: 15Amp.220-240 Volts, Single Phase, 50Hz
(With earth/ground).
ORB: 30Amp.110-120 Volts, Single Phase, 60Hz
(With earth/ground).
Optional Equipment
Student Tool Kit
Test And Service Equipment
Maintenance And Student Package
Ordering InformationOrder as: Advanced Training Unit 805
Electrical SpecificationEither: A:220-240 Volts, Single Phase, 50Hz(With earth/ground).
OR
B: 110-120 Volts, Single Phase, 60Hz
(With earth/ground).
LanguageEither: English, Spanish or French
Shipping Specification (Approx)Net Weight: 164 kg
Gross Weight: 218 kg.
Packing Case Dimensions:143 x 72 x 126 cm
Packing Case Volume: 1.297m3
Also Available on Request
Further detailed specification
Additional copies of instruction manual
Recommended list of spares for 5 years operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,
Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129
International +44 1794 388129
E-mail: [email protected]
Website: www-p-a-hilton.co.uk
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P.A.Hilton Ltd
Reverse Cycle Refrigeration and Air
Conditioning Training Unit
808
Air Cooled and Water Cooled Condenser
Forced Air and Static Evaporator with dual temperature
operation
Optional Student Tool Kit, Test and Service Equipment and
Maintenance and Student Practice Package.
Comprehensive Instruction Manual Contains Course Notes,
Instruction Notes and Student Example Worksheets
Demonstrates Common Faults and Effects on the System
Two year Warranty
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P.A.Hilton Ltd
IntroductionThe 808 is designed to augment the student engineers existing knowledge of the theory and practice of
refrigeration and lead him to an understanding of a more complex system.
Some features of the 808:
Reverse Cycle Operation
Air Cooled and Water Cooled Condensers
Forced Air and Static Evaporators
Dual Temperature Operation
Compact and self contained, the 808 needs only a water supply, drain and a single phase
electrical supply.
Description
Model 808 is one of a range of trainers designed to provide practical training in the fields of
Refrigeration and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
The unit is mounted on a steel frame with stainless steel panels and comprises of a hermetic compressor
with air and water cooled condensers.
The static and forced air evaporator are fitted with the necessary controls to allow dual temperature
operation.
Reverse cycle operation allows the study of the application of the vapour compression to air
conditioning and heat pump systems.
A standard Student Tool Kit, Test and Service Equipment Package and Maintenance and Student
Practice Package are available as optional items.
Further details available on request.
Student Tool Kit Test & Service Equipment 808 Maintenance & Student
Practice Package
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P.A.Hilton Ltd
SpecificationDetailed
The unit ismounted in asteel frame with stainless steel
base and back panels and incorporates HermeticCondensing Unit:
Having a high starting torque motor with built-in:
Winding protector, air-cooled condenser and liquid
receiver
Remote Water-cooled Condenser
Forced Air Evaporator:
Coil block: 3/8 O.D. copper tube with aluminium
fins.
Flow Controls:
Automatic expansion valve.
Internal equalised thermostatic expansion valve.
External equalised thermostatic expansion valve.
Selection by handwheel valve.
Static Evaporator:
Coil block as for Forced Air Evaporator.
Flow Control:
Capillary tube with separate filter drier.
Selection by handwheel valve.
Reverse Cycle Operation:
Evaporator pressure regulating valve for dual-
temperature operation.
High pressure switch.
Low pressure switch. Compound Gauge.
High Pressure Gauge.
3 Sight Glasses.
4 Check Valves to control direction of refrigerant
flow.
9 Hand valves
An electrical control box is mounted on the back panel
and includes indicators/warning lamp, on/off
evaporator and condenser fan and reverse cycle
contactor and overload, as well as residual current
device for protection against earth leakage.
Operating Manual
A comprehensive operating manual includes:
Notes on theory and principles
Instructors guide notes
Student test papers and sample answers
Electrical wiring diagram.
DimensionsHeight 163 cm Depth 64 cm
Width 134 cm Weight 115kg
Services RequiredElectrical
Either: A: 13Amp.220-240 Volts, Single Phase, 50Hz
(With earth/ground).OR
B: 26Amp.110-120 Volts, Single Phase, 60Hz
(With earth/ground).
Optional Equipment Student Tool Kit
Test And Service Equipment
Maintenance And Student Package
Ordering InformationOrder as: Reverse Cycle refrigeration Training Unit 808
Electrical SpecificationEither: A: 220-240 Volts, Single Phase 50Hz
(With earth/ground).
OR
B: 110-120 Volts, Single Phase 60Hz
(With earth/ground).
LanguageEither: English, Spanish or French
Shipping Specification(Approx)Net Weight: 115 kg
Gross Weight: 165 kg.
Packing Case Dimensions:
143 x 72 x 126 cm
Packing Case Volume: 1.297m3
Also Available on Request Further detailed specification
Additional copies of instruction manual
Recommended list of spares for 5 years
operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,
Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129
International +44 1794 388129
E-mail: [email protected]
Website: www.p-a-hilton.co.uk
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P.A.Hilton Ltd
Automotive Air Conditioning
Training Unit
810
Complete System Bench Mounted
Fitted with 12 Volt Control System
Optional Student Tool Kit and Test and Service
Equipment
Instruction Manual Contains Course Notes, InstructionNotes and Student Example Worksheets
Demonstrates Common Faults and Effects on the System
Two year Warranty
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Page 2 of 3
P.A.Hilton Ltd
IntroductionThe 810 is designed to train students in the operation, fault finding, maintenance and repair of
automotive air conditioning systems.
It comprises a complete automotive air conditioning system on an alloy frame suitable for bench
mounting. The unit operates on R134a refrigerant used in most current vehicle air conditioning systems
and connections are provided to allow the use of standard R134a manifold gauges.
Description
Model 810 is one of a range of trainers designed to provide practical training in the fields of
Refrigeration and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
The compressor is driven by a synchronous AC electric motor and the complete unit has an internal
Residual Current Device for additional operator safety. Apart from the drive motor all other controls are
12V as used in automotive air conditioning systems.
Temperature control is by an adjustable electronic thermostat and the evaporator has three fan speeds to
show the effect of air velocity and varying load on the system
Four common faults can be demonstrated
Blocked Thermostatic Expansion Valve
Blocked Drier
Compressor Fault
Poor Condensing
A standard Student Tool Kit and Test and Service Equipment Package are available as optional items.
Further details available on request.
Student Tool Kit Test & Service Equipment
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P.A.Hilton Ltd
SpecificationDetailed
A complete vehicle air conditioning system
mounted on an alloy frame and fitted withstandard R134a manifold gauge connections.
Incorporating:-
Electric Motor nominal 1500rpm with overload
cut out.
Five cylinder open type compressor with duty
of up to 7.5 Kw at maximum rated speed.
Air cooled condenser and fan with 12v dc
motor.
Evaporator fitted with three speed 12 dc fanand Thermostatic Expansion Valve.
Electronic thermostat, adjustable for
temperature control.
Transformer to provide 12v automotive control
circuit.
Electrical control box with key locked
emergency of button, on off switch, ignition
key and residual current device.
Four switch controlled fault conditions:
- Blocked Thermostatic Expansion
valve
- Blocked drier
- Compressor Fault
- Poor condensing
Refrigerant R134a
Operating Manual
A comprehensive operating manual includes: Notes on theory and principles
Instructors guide notes
Student test papers and sample
answers
Electrical wiring diagram.
DimensionsHeight 46 cm Depth 57 cm
Width 91 cm Weight 100kg
Services RequiredElectrical
Either: A: 13Amp.220-230 Volts, Single Phase, 50Hz
(With earth/ground).OR
B: 26Amp.110-120 Volts, Single Phase, 60Hz
(With earth/ground).
Optional Equipment Student Tool Kit
Test And Service Equipment
Ordering InformationOrder as: Automotive Air Conditioning Training Unit 810
Electrical SpecificationEither: A: 220-230Volts, Three Phase, 50Hz
(With earth/ground).
OR
B: 110-120Volts, Three Phase 60Hz
(With earth/ground).
LanguageEither: English, Spanish or French
Shipping Specification (Approx)Net Weight: 100 kg
Gross Weight: 150 kg.
Packing Case Dimensions: 100 x 60 x 75 cm
Packing Case Volume: 0.450m3
Also Available on Request Further detailed specification
Additional copies of instruction manual
Recommended list of spares for 5 years
operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,
Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129
International +44 1794 388129
E-mail: [email protected]
Website: www.p-a-hilton.co.uk
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P.A.Hilton Ltd
Advanced Training Unit
For Fault Location
811
Demonstrates multi-evaporator system operating at
different temperatures
Incorporates 25 typical system faults, each activated by apush-button switch.
Allows practical fault detection and location.
Introduces students to 3 phase systems.
Two year Warranty.
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P.A.Hilton Ltd
IntroductionThe Advanced Training Unit for Fault Location 811 is a fully operational refrigeration unit with two visible
evaporators simulating freezing and cooling rooms, operating from a single semi-hermetic condensing unit.
The unit is constructed entirely from standard commercial components, including all of the necessary
primary and safety controls and will give students valuable experience of system adjustment and fault
finding on a multi-evaporator three phase refrigeration system.
A combination of 25 refrigerant circuit and electrical circuit faults can be activated by the instructor
allowing both normal and fault condition operation to be investigated. The faults include:-
Compressor valve fault
Oil separator fault
Overcharge
Undercharge
Check valve leak
Evaporator pressure controller fault
Thermostatic expansion valve not operating freezer evaporator
Thermostatic expansion valve fault freezer
evaporator
Thermostatic expansion valve not operating cold
room evaporator
Thermostatic expansion valve fault cold room
evaporator
Suction line freezer evaporator frosted
Suction line cooler evaporator frosted
Filter dryer restriction
Discharge pressure fault
Hot gas defrosting fault
Suction pressure too low - decreasing evaporator
capacity
Suctions pressure too high
One phase fault
Two phase fault One contact set (motor overload protection)
disconnected
Two contact sets (motor overload protection)
disconnected
Thermal overload protection of motor switch box
Coil fault motor protection starter box
Thermostatic fault freezing room not working
Thermostat fault cooling room not working
DescriptionThe 811 is one of a range of trainers designed to provide practical training in the fields of Refrigeration
and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
On the model 811 all standard components are visible, mounted on a steel frame with stainless steel
panels. Instrumentation includes condensing, evaporating and suction pressures, mechanical and digital
temperature measurement, digital multi-meter and optional refrigerant flow meters. The system includes
reverse gas defrost, suction accumulator, oil separation and variable speed evaporator and condenser
fans. Instructor controlled faults are induced by internal components which are hidden from student
view.A standard Student Tool Kit, and Test and Service Equipment Package are available as optional items.
Further details available on request.
Student Tool Kit Test & Service Equipment
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P.A.Hilton Ltd
SpecificationDetailed
The unit is mounted on a wheeled steel frame
with stainless steel base and back panels andincorporates:-
Compressor: Semi-Hermetic, 0.37 kW. 1450
rpm
Condenser: Air-cooled, aluminium finned,
copper coil
Evaporators: Display-case evaporators.
Aluminium finned, copper coils with hot gas
defrosting
Injection controls: 2 thermostatic expansion
valves
Liquid receiver
Control equipment: Low and high-pressure
control, thermostatic control, evaporator
pressure control, capacity control, condensing
pressure control and crankcase pressure
control, low pressure switch, high pressure
switch
Measuring equipment: Digital temperature
indicator with 10 ways elector switch
4 pressure gauges (3 compound,1 high
pressure)
2 dial thermometers.
Hand-held digital multi-meter
Refrigerant: R134a.
25 switches located on the side panel under a
hinged cover allow combinations of faults to be
activated by the instructor.
An electrical control box is mounted on the panel
and includes accessible three phase relays, fuses
and an overload protector. An internal three phase
residual current device protects against earth
leakage. Fan speed controls and defrost switch
with indicator are also panel mounted.
Operating Manual
A comprehensive operating manual includes:
Notes on theory and principles
Instructors guide notes
Student test papers and sample answers
Electrical wiring diagram.
DimensionsHeight: 1700mm Depth: 700mm
Width: 2160mm
Shipping Weight: 425kg
Services RequiredElectrical
Either: A: 7Amp.380-440 Volts, Three Phase, 50Hz
(With earth/ground).OR
B: 13Amp.210-220 Volts, Three Phase, 60Hz
(With earth/ground).
Optional Equipment Student Tool Kit
Test And Service Equipment
Maintenance And Student Package
Ordering Information
Order as: Advanced Training Unit For fault Location 811
Electrical SpecificationEither: A: 380-440 Volts, Three Phase 50Hz
(With earth/ground).
OR
B: 210-220 Volts, Three Phase 60Hz
(With earth/ground).
LanguageEither: English, Spanish or French
Shipping Specification (Approx)Net Weight: 263 kg
Gross Weight: 425 kg.
Packing Case Dimensions: 232 x 85 x 190 cm
Packing Case Volume: 3.7648m3
Also Available on Request Further detailed specification
Additional copies of instruction manual
Recommended list of spares for 5 years
operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,
Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129
International +44 1794 388129
E-mail: [email protected]
Website: www.p-a-hilton.co.uk
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P.A.Hilton Ltd
Water Chiller Training Unit
812
Fully Operational Water Chiller With Cooling Load
Evaporator Pressure Regulator to Demonstrate Non-
Freeze Cooling
Optional Data Acquisition Available.
Optional Student Tool Kit, Test and Service Equipment
Two year Warranty.
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P.A.Hilton Ltd
IntroductionThe Water Chiller Training Unit 812 is a fully operational, water chiller, which enables the student to
adjust and investigate a typical water cooler operating under load, either with or without evaporator
pressure regulation.
The cooling of pure water requires that the evaporator surface temperature does not fall below 0C or
the system will freeze and may result in damage. This unit allows students to safely explore the
parameters affecting evaporating pressure without danger to the operator or equipment.
As with all Hilton vocational equipment all of the components are clearly arranged on a panel allowing
easy identification.
Components include:
Hermetic compressor
Water cooled condenser with adjustable pressure control
Liquid receiver
Water cooling evaporator
Adjustable evaporator pressure regulation Suction accumulator
Cooling load, adjustable in steps of 1.0 and 0.5kW
Adjustable cooling water flow
Pressure, temperature and flow rate measurement.
Control panel that will accept optional computerised data acquisition.
DescriptionThe 812 is one of a range of trainers designed to provide practical training in the fields of Refrigeration
and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
The unit is mounted on a steel frame with stainless steel panels and comprises an hermetic compressor
with water cooled condenser, liquid receiver, water cooling evaporator with adjustable pressure
regulator. A pump circulates the cooled water at an adjustable flow rate through a tank with
individually switched heaters that load the refrigeration system.
Instrumentation includes condenser and suction pressure gauges, evaporator pressure (service gauge),
digital temperature indicator with 10 way selector switch, evaporator and condenser flow rate
measurement, optional refrigerant flow meter and optional computerised data acquisition system for all
parameters including compressor current.
All the controls and the high and low-pressure switches are adjustable by the student to enable
advanced studies in the control of vapour compression refrigeration equipment.
A standard Student Tool Kit and Test and Service Equipment Package are also available as optional
extras
Further details available on request.
Student Tool Kit Test & Service Equipment
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P.A.Hilton Ltd
SpecificationDETAILED
The unit is mounted on a steel framework, with
stainless steel base and back panels andincorporates:-
Hermetic compressor
Water-cooled condenser.
Liquid receiver
Adjustable condenser pressure regulator
Water-cooling evaporator
Thermostatic expansion valve
Adjustable evaporator pressure regulator with
detachable service gauge.
Suction accumulator.
Water tank with individual switchable loads of
1kW, 1kW and 0.5kW Water circulating pump with flow control.
Instrumentation includes:
Digital temperature indicator with 10 way
selector switch.
Condenser and evaporator water flow meters.
Condenser and suction pressure gauges and
detachable evaporator pressure gauge.
Optional refrigerant flowmeter.
Control panel including:
Overload protection
Contactor Earth leakage protector
Optional computerised data acquisition system.
Dimensions (Approx)Height: 163 cm Depth: 64 cm
Width: 134 cm Weight: 164kg
Services Required
ElectricalEither: A: 15Amp.220-240 Volts, Single Phase,
50Hz (With earth/ground).
OR
B: 30Amp.110-120 Volts, Single Phase, 60Hz (With
earth/ground).
Optional Equipment Student Tool Kit
Test And Service Equipment
Refrigerant flow meter
Computerised data acquisition system
Ordering InformationOrder as: Water Chiller Training Unit 812
Electrical SpecificationEither: A: 15A 220-240 Volts, Single Phase 50Hz
(With earth/ground).
OR
B: 30A 110-120 Volts, Single Phase 60Hz
(With earth/ground).
LanguageEither: English, Spanish or French
Shipping SpecificationNet Weight: 164 kg
Gross Weight: 218 kg.
Packing Case Dimensions: 143 x 72 x 126 cm
Packing Case Volume: 1.297m3
Also Available on Request Further detailed specification
Additional copies of instruction manual
Recommended list of spares for 5 years
operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129
International +44 1794 388129
E-mail: [email protected]
Website: www.p-a-hilton.co.uk
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P.A.Hilton Ltd
Absorption Cycle Refrigerator
816
Demonstrates the Operation of An Ammonia-Water Absorption
Refrigerator
Electrically Driven With Optional Computerised Data
Acquisition.
Allows Investigation of Refrigerator Performance Under Load.
All Major Components Visible.
Two year Warranty.
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P.A.Hilton Ltd
IntroductionThe absorption refrigerator 816 is a fully operational ammonia-water refrigerator with all of the major
refrigeration components visible.
The unit is robustly constructed entirely from standard commercial components. With the built in load
and optional instrumentation students can investigate a refrigeration system that operates from an
electrical heat source.
Originally invented by Albert Einstein and Leo Szilard the absorption refrigerator has no moving parts
and utilises a mixture of ammonia-water and hydrogen. The cycle is complex and not easily understood
without reference to an operating unit.
The unit has thermocouples located at 10 strategic and important locations around the refrigeration
circuit. These together with a comprehensive system diagram and description in the manual, assist in
student understanding of this complex system.
DescriptionModel 816 is one of a range of trainers designed to provide practical training in the fields of
Refrigeration and Air Conditioning.
Each trainer has been carefully designed to provide instruction in specific topic areas that trainees are
required to study as part of most Refrigeration and Air Conditioning courses.
On the model 816 all of the main absorption cycle components are visible at the rear of the unit. An
instrumentation console with digital wattmeter and multi-way temperature indicator allow all of the
important system parameters to be recorded. The system allows the ammonia generator and evaporator
load to be independently varied and measured using the wattmeter.
An optional computerised Data Acquisition system C816A, allows all 10 thermocouples to be
monitored as well as the ammonia generator power consumption and load current and voltage. Thisallows the system start condition to be monitored, which aids student understanding plus the system
performance variation with change of load. All parameters can be monitored and plotted against time or
transferred to a spreadsheet for analysis.
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P.A.Hilton Ltd
SpecificationDetailed
The unit ismounted on a wheeled steel frame and
incorporates:
Electrically driven ammonia-water absorption
refrigeration system with insulated freezer
compartment. All major components of the
refrigeration system: generator, absorber,
condenser and reservoir are visible
Variable electrical load inside the freezer
compartment
Variable generator heater.
Instrumentation
Digital temperature indicator Digital wattmeter to give instantaneous
indication of generator heater input and
evaporator load.
Optional Computerised Data Acquisition
System.
Safety
The unit is also protected by double pole
combined switches and circuit breakers and a
residual current circuit breaker to protect against
earth leakage.
Operating Manual
A comprehensive operating manual includes:
Notes on theory and principles
Detailed description of system circuit and
operation.
Sample test results.
DimensionsHeight: 730mm Depth: 400mm
Width: 430mm
Shipping Weight: 25kg (approximate)
Services RequiredElectrical
Either: A: 1 Amp.220-230 Volts, Single
Phase, 50Hz (With earth/ground).
OR
B: 2Amp.110-120 Volts, Single Phase,
60Hz (With earth/ground).
Optional EquipmentComputerised Data Acquisition system C816A
Ordering InformationOrder as: Absorption Cycle Refrigerator 816
Plus:(Optional) Computerised Data Acquisition system
C816A
Electrical SpecificationEither: A: 220-230 Volts, Single Phase 50Hz
(With earth/ground).
OR
B: 110-120 Volts, Single Phase 60Hz
(With earth/ground).
LanguageEither: English, Spanish or French
Shipping Specification (Approx)Net Weight: 25 kg
Gross Weight: 50kg.
Packing Case Dimensions: 80 x 80 x 120cm
Packing Case Volume: 0.77m3
Also Available on Request Further detailed specification
Additional copies of instruction manual Recommended list of spares for 5 years
operation
P.A.HILTON Ltd.Horsebridge Mill, Kings Somborne,
Stockbridge, Hampshire, SO20 6PX, England.
Telephone: National (01794) 388382
International +44 1794 388382
Fax: National (01794) 388129International +44 1794 388129
E-mail: [email protected]
Website: www.p-a-hilton.co.uk
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